[S.l.], [ca.1954]

[S.l.], 1954 ; Mikrofilm-Ausg.: [ca. 1985]

1954

University of Chicago Press, 1953

The University of Chicago Press, 1953

The Macmillan Company, 1953

JSTOR, 1953

University of California Press, 1950

JSTOR, 1985

SAGE Publications, 1984

JSTOR, 1987